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Vernon, IL Weather Forecast
Vernon, IL Weather Forecast Date: 128 PM CDT Thu Oct 01 2026
The area/counties/county of: Clinton County Il, including the cities of: Centralia and Salem.or toggle through each period.
This Afternoon... Partly sunny with a slight chance of showers and thunderstorms. Near steady temperature in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20%.
Tonight... A slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of rain near 100%.
Friday... Cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Much cooler. Near steady temperature in the mid 60s. North winds 10 to 15 mph. Chance of rain 70%.
Friday Night... Partly cloudy in the evening, then clearing. Cooler with lows around 50. Northeast winds 5 to 10 mph.
Saturday... Sunny. Highs in the lower 70s. Northeast winds 5 to 10 mph.
Saturday Night... Partly cloudy. Lows around 50.
Sunday... Sunny. Highs in the mid 70s.
Sunday Night... Clear. Lows around 50. Highs in the lower 70s.
Monday... Clear. Lows around 50. Highs in the lower 70s.
Monday Night... Clear. Lows in the mid 40s. Highs in the lower 70s.
Tuesday... Clear. Lows in the mid 40s. Highs in the lower 70s.
Tuesday Night... Mostly clear. Lows in the mid 40s. Highs in the upper 70s.
POP = Probability of Precipitation
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